db.r6g.8xlargevsdb.r7g.8xlarge

db.r6g.8xlarge is 6% cheaper than db.r7g.8xlarge on demand in US East (N. Virginia), saving $166.44 a month.

At a glancedb.r6g.8xlargedb.r7g.8xlarge
On-demand$3.597/hr6% less$3.825/hr
Lowest rate$2.078/hr29% less1-yr reserved, no upfront$2.945/hr1-yr reserved, no upfront
Size32 vCPUs, 256 GiB32 vCPUs, 256 GiB
ProcessorAWS Graviton2AWS Graviton3
Architecturearm64arm64

Prices in US East (N. Virginia)

“Off” is the discount against each type’s own on-demand price. PostgreSQL, USD per hour.

Optiondb.r6g.8xlargedb.r7g.8xlargedb.r7g.8xlarge vs db.r6g.8xlarge
On-demandPay by the hour$3.597$3.825▲ 6%
1-yr reservedNo upfront42% off$2.07823% off$2.945▲ 42%
1-yr savings planHourly commitment—20% off$3.06—

Key differences

The biggest lead each one has.

Where db.r6g.8xlarge leads
On-demand price$3.597 vs $3.825 per hour
6% cheaper
Where db.r7g.8xlarge leads
Network baseline15 Gbps vs 12 Gbps
25% higher
EBS baseline bandwidth10,000 Mbps vs 9,500 Mbps
5% higher
Sustained clock2.6 GHz vs 2.5 GHz
4% higher

Specs

11 of 24 specs differ. Those are in bold.

Compute2 of 8 differdb.r6g.8xlargedb.r7g.8xlarge
vCPUs3232
Physical cores3232
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton2AWS Graviton3
CPU makerAWSAWS
Sustained clock2.5 GHz2.6 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6g.8xlargedb.r7g.8xlarge
Memory (GiB)256256
Networking3 of 3 differdb.r6g.8xlargedb.r7g.8xlarge
Network10 Gigabit15 Gigabit
Network baseline12 Gbps15 Gbps
Network peak12 Gbps15 Gbps
Storage4 of 7 differdb.r6g.8xlargedb.r7g.8xlarge
StorageEBS OnlyEBS Only
EBS baseline bandwidth9,500 Mbps10,000 Mbps
EBS max bandwidth9,500 Mbps10,000 Mbps
EBS baseline throughput1,187.5 MB/s1,250 MB/s
EBS max throughput1,187.5 MB/s1,250 MB/s
EBS baseline IOPS40,00040,000
EBS max IOPS40,00040,000
Instance details1 of 4 differdb.r6g.8xlargedb.r7g.8xlarge
Familyr6gr7g
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor128128
Other1 of 1 differdb.r6g.8xlargedb.r7g.8xlarge
Hardware Basisr6g.8xlarger7g.8xlarge

On-demand prices by region

Cheapest for db.r6g.8xlarge first. PostgreSQL, USD per hour.

Regiondb.r6g.8xlargedb.r7g.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$3.597$3.825▲ 6%
US East (Ohio)us-east-2$3.597$3.825▲ 6%
US West (Oregon)us-west-2$3.597$3.825▲ 6%
Asia Pacific (Malaysia)ap-southeast-5$3.68$3.904▲ 6%
Asia Pacific (Thailand)ap-southeast-7$3.68$3.904▲ 6%
EU (Stockholm)eu-north-1$3.698$3.926▲ 6%
Mexico (Central)mx-central-1$3.776$4.016▲ 6%
Asia Pacific (Taipei)ap-east-2$3.888$4.128▲ 6%
Canada (Central)ca-central-1$3.889$4.131▲ 6%
Canada West (Calgary)ca-west-1$3.889$4.128▲ 6%
EU (Ireland)eu-west-1$4.028$4.286▲ 6%
US West (N. California)us-west-1$4.028$4.285▲ 6%
Europe (Spain)eu-south-2$4.032$4.285▲ 6%
Asia Pacific (Hyderabad)ap-south-2$4.096$4.352▲ 6%
Asia Pacific (Mumbai)ap-south-1$4.10$4.352▲ 6%
EU (Milan)eu-south-1$4.224$4.488▲ 6%
EU (Paris)eu-west-3$4.224$5.088▲ 20%
EU (London)eu-west-2$4.23$4.488▲ 6%
Israel (Tel Aviv)il-central-1$4.234$4.512▲ 7%
Asia Pacific (Osaka)ap-northeast-3$4.314$4.592▲ 6%
Asia Pacific (Jakarta)ap-southeast-3$4.316$4.592▲ 6%
Asia Pacific (Seoul)ap-northeast-2$4.316$4.59▲ 6%
Asia Pacific (Singapore)ap-southeast-1$4.316$4.59▲ 6%
Asia Pacific (Sydney)ap-southeast-2$4.316$4.59▲ 6%
Asia Pacific (Tokyo)ap-northeast-1$4.316$4.59▲ 6%
AWS GovCloud (US-East)us-gov-east-1$4.317$4.592▲ 6%
AWS GovCloud (US-West)us-gov-west-1$4.317$4.592▲ 6%
EU (Frankfurt)eu-central-1$4.388$4.658▲ 6%
Middle East (Bahrain)me-south-1$4.431$4.704▲ 6%
Middle East (UAE)me-central-1$4.432$5.328▲ 20%
Asia Pacific (New Zealand)ap-southeast-6$4.536$4.822▲ 6%
Asia Pacific (Hong Kong)ap-east-1$4.748$5.05▲ 6%
Africa (Cape Town)af-south-1$4.79$5.856▲ 22%
Europe (Zurich)eu-central-2$4.822$5.12▲ 6%
South America (Sao Paulo)sa-east-1$7.483$6.082▼ 19%

Keep exploring

Each type’s own page, and how it compares with others.

db.r6g.8xlargeMemory optimized, r6g family
db.r6g.8xlarge prices and specsEvery size in the r6g family

Compare db.r6g.8xlarge with

db.m6g.8xlargedb.r6i.8xlargedb.r6i.8xlarge.tpc2.mem3xdb.r6i.8xlarge.tpc2.mem4xdb.r6gd.8xlarge
db.r7g.8xlargeMemory optimized, r7g family
db.r7g.8xlarge prices and specsEvery size in the r7g family

Compare db.r7g.8xlarge with

db.m7g.8xlargedb.r7i.8xlargedb.r7i.8xlarge.tpc2.mem2xdb.r7i.8xlarge.tpc2.mem3xdb.r8g.8xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 23–42% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.